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2025-12-10 - 11:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot4.osadl.org (updated Wed Dec 10, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2319165993027,2cyclictest2542353-21fwupd22:26:152
231916599281,1cyclictest0-21swapper/221:21:142
231916599280,2cyclictest191rcu_preempt23:38:542
231916099288,19cyclictest171ktimers/022:12:210
231916599272,23cyclictest2334654-21apt-get19:25:122
231916299272,22cyclictest2695380-21apt-get00:30:121
2319160992723,2cyclictest2575045-21latency_hist22:55:010
2319165992619,1cyclictest191rcu_preempt21:13:412
2319167992521,2cyclictest2626160-21apt-get23:35:133
231916799251,4cyclictest1-21systemd22:20:003
231916799251,4cyclictest1-21systemd22:20:003
231916799251,22cyclictest2422362-21apt-get20:50:163
231916799251,21cyclictest2329554-21apt-get19:20:123
231916599252,3cyclictest2461500-21apt-get21:25:152
2319165992520,3cyclictest2360483-21apt-get19:50:132
2319165992520,3cyclictest2360483-21apt-get19:50:122
231916599251,22cyclictest2411806-21apt-get20:40:132
231916599251,20cyclictest0-21swapper/219:35:122
231916599250,23cyclictest2692524-21cut00:25:212
231916599250,23cyclictest2575049-21apt-get22:55:002
231916299252,21cyclictest2348749-21ntpq19:35:201
2319162992521,2cyclictest2670252-21apt-get00:10:141
2319162992513,4cyclictest2542375-21udev-worker22:26:151
231916299251,21cyclictest2562796-21ssh22:45:121
2319167992420,2cyclictest2365603-21apt-get19:55:123
2319167992419,3cyclictest2680593-21ntpq00:15:203
231916799241,21cyclictest2569513-21iwlist22:50:153
231916799241,20cyclictest2391010-21apt-get20:20:133
231916799240,4cyclictest2479901-21ssh21:38:243
231916799240,21cyclictest2696097-21cut00:30:163
2319165992420,2cyclictest2442400-21diskmemload22:30:352
231916599241,3cyclictest2442400-21diskmemload23:55:592
231916599241,22cyclictest2442400-21diskmemload00:23:042
231916599241,21cyclictest2620358-21irqcore23:30:162
231916599241,21cyclictest2442400-21diskmemload21:18:452
231916599241,21cyclictest0-21swapper/223:50:122
231916599241,21cyclictest0-21swapper/221:50:122
231916599241,20cyclictest0-21swapper/221:00:122
2319162992416,1cyclictest191rcu_preempt23:09:051
231916299241,21cyclictest2442400-21diskmemload22:24:531
231916299240,22cyclictest2432999-21grep21:00:171
2319160992421,2cyclictest2355405-21apt-get19:45:130
2319160992420,2cyclictest2350350-21apt-get19:40:110
231916099241,21cyclictest2645006-21apt-get23:50:120
2319167992319,3cyclictest2537090-21sh22:24:313
2319167992319,2cyclictest0-21swapper/323:10:153
2319167992318,4cyclictest2524587-21ssh22:14:343
2319167992318,4cyclictest2399963-21/usr/sbin/munin20:25:223
231916799231,2cyclictest0-21swapper/322:00:183
231916799231,21cyclictest2638334-21rm23:44:493
231916799231,20cyclictest2620104-21ssh23:30:143
231916799231,19cyclictest0-21swapper/323:20:133
231916799230,20cyclictest2461503-21ssh21:25:153
231916799230,20cyclictest2380881-21apt-get20:10:153
231916799230,20cyclictest0-21swapper/322:40:123
231916799230,20cyclictest0-21swapper/320:05:133
2319165992319,2cyclictest2485209-21tr21:40:212
2319165992319,2cyclictest0-21swapper/221:49:142
231916599231,2cyclictest2442400-21diskmemload22:07:282
231916599231,2cyclictest2442400-21diskmemload00:39:472
231916599231,21cyclictest2503877-21ntpq21:55:222
231916599231,21cyclictest2442400-21diskmemload23:18:012
231916599231,21cyclictest2442400-21diskmemload23:05:522
231916599231,21cyclictest2442400-21diskmemload22:40:592
231916599231,21cyclictest0-21swapper/223:45:122
231916599231,21cyclictest0-21swapper/221:30:132
231916599231,21cyclictest0-21swapper/220:50:152
231916599231,20cyclictest2586744-21ssh23:00:442
231916599231,20cyclictest2442400-21diskmemload00:14:402
231916599231,20cyclictest0-21swapper/222:10:182
231916599231,1cyclictest2442400-21diskmemload23:14:222
231916599230,22cyclictest2661645-21ld00:00:202
231916599230,22cyclictest2554883-21ssh22:35:552
231916599230,21cyclictest2613509-21/usr/sbin/munin23:25:262
231916599230,21cyclictest0-21swapper/222:56:132
231916599230,21cyclictest0-21swapper/220:10:152
2319162992319,3cyclictest2390733-21cron20:19:591
2319162992319,2cyclictest2704653-21kthreadcore00:35:191
2319162992319,2cyclictest2600971-21apt-get23:15:121
231916299231,2cyclictest2442400-21diskmemload23:26:371
231916299231,20cyclictest2487372-21apt-get21:45:121
231916299230,22cyclictest2639223-21ssh23:45:161
231916299230,21cyclictest2623841-21ssh23:30:201
231916299230,21cyclictest1-21systemd21:30:001
231916299230,20cyclictest2455493-21fw_forwarded_lo21:20:151
231916299230,20cyclictest2442400-21diskmemload23:40:071
231916299230,20cyclictest0-21swapper/120:20:131
231916299230,20cyclictest0-21swapper/120:00:141
231916299230,20cyclictest0-21swapper/100:25:101
2319160992320,2cyclictest2396157-21apt-get20:25:150
2319160992319,3cyclictest2503804-21needreboot21:55:210
2319160992319,3cyclictest245621450irq/127-enp0s29f1:rx-022:36:450
2319160992319,3cyclictest2385958-21apt-get20:15:160
2319160992319,3cyclictest2370705-21apt-get20:00:140
2319160992319,2cyclictest2682540-21ls00:20:000
2319160992319,2cyclictest2460861-21ssh21:24:010
231916099231,2cyclictest2474482-21apt-get21:35:140
231916099230,21cyclictest2442400-21diskmemload00:30:130
2319167992220,1cyclictest2645178-21ssh23:50:143
2319167992219,2cyclictest686-21snmpd23:25:023
2319167992219,2cyclictest2442400-21diskmemload21:34:153
2319167992219,2cyclictest2442400-21diskmemload21:10:353
2319167992219,2cyclictest2442400-21diskmemload00:20:263
2319167992218,3cyclictest2642775-21ntpq23:45:213
231916799221,2cyclictest2442400-21diskmemload22:29:133
231916799221,20cyclictest2442400-21diskmemload00:35:203
231916799221,20cyclictest0-21swapper/323:00:043
231916799221,20cyclictest0-21swapper/321:48:453
231916799221,19cyclictest0-21swapper/300:10:143
231916799220,3cyclictest2579953-21ps22:55:263
231916799220,2cyclictest2493657-21taskset21:50:123
231916799220,2cyclictest2448984-21ssh21:15:133
231916799220,2cyclictest2442400-21diskmemload22:06:113
231916799220,2cyclictest2442400-21diskmemload21:24:153
231916799220,2cyclictest0-21swapper/323:05:173
231916799220,21cyclictest2412297-21irqcore20:40:173
231916799220,20cyclictest2504709-21ssh21:56:233
231916799220,20cyclictest2442400-21diskmemload23:57:233
231916799220,20cyclictest0-21swapper/321:40:473
231916799220,20cyclictest0-21swapper/320:55:153
2319165992219,2cyclictest2437609-21apt-get21:05:122
2319165992219,2cyclictest0-21swapper/223:20:132
2319165992219,2cyclictest0-21swapper/222:02:192
2319165992219,2cyclictest0-21swapper/220:30:122
2319165992219,2cyclictest0-21swapper/219:43:042
2319165992218,2cyclictest2442400-21diskmemload21:36:052
2319165992218,2cyclictest0-21swapper/220:25:152
2319165992216,3cyclictest3471731-21systemd-journal20:00:002
231916599221,2cyclictest0-21swapper/219:18:522
231916599221,20cyclictest0-21swapper/200:19:212
231916599221,1cyclictest0-21swapper/222:22:032
231916599221,1cyclictest0-21swapper/219:48:262
231916599220,2cyclictest2442400-21diskmemload23:41:032
231916599220,20cyclictest2442400-21diskmemload00:05:312
2319162992219,2cyclictest2442400-21diskmemload23:11:421
2319162992219,2cyclictest2442400-21diskmemload22:18:371
2319162992219,2cyclictest2442400-21diskmemload22:18:371
2319162992219,1cyclictest2651295-21apt-get23:55:161
2319162992218,3cyclictest2668811-21ssh00:06:271
2319162992218,3cyclictest2479289-21ssh21:36:291
2319162992218,2cyclictest2522738-21ntpq22:10:201
2319162992217,3cyclictest2448934-21ssh21:15:091
231916299221,2cyclictest2442400-21diskmemload23:00:051
231916299221,2cyclictest2442400-21diskmemload22:00:171
231916299221,20cyclictest2442400-21diskmemload22:34:441
231916299221,1cyclictest0-21swapper/119:25:131
231916299220,2cyclictest2472226-21ntpq21:30:211
231916299220,21cyclictest2503003-21cut21:55:191
231916299220,21cyclictest2481145-21seq21:40:111
231916299220,21cyclictest2442400-21diskmemload23:52:301
231916299220,21cyclictest2442400-21diskmemload23:21:391
231916299220,20cyclictest0-21swapper/119:23:411
231916299220,20cyclictest0-21swapper/100:15:051
231916299220,19cyclictest0-21swapper/122:05:031
231916299220,19cyclictest0-21swapper/100:00:111
2319160992221,1cyclictest2319154-21cyclictest22:22:420
2319160992219,2cyclictest2493255-21ssh21:49:470
2319160992219,2cyclictest2442400-21diskmemload23:40:320
2319160992219,2cyclictest2442400-21diskmemload22:43:320
2319160992219,2cyclictest2442400-21diskmemload22:32:130
2319160992219,2cyclictest2442400-21diskmemload00:22:410
2319160992219,2cyclictest2442400-21diskmemload00:09:330
2319160992219,2cyclictest2370434-21sh20:00:000
2319160992218,3cyclictest2594685-21apt-get23:10:140
2319160992218,3cyclictest2401253-21apt-get20:30:100
2319160992217,4cyclictest2447347-21ssh21:10:520
231916099221,20cyclictest2619862-21apt-get23:30:120
231916099221,20cyclictest2537592-21apt-get22:25:140
231916099221,20cyclictest2442400-21diskmemload23:17:430
231916099221,20cyclictest2442400-21diskmemload23:06:260
231916099221,20cyclictest2442400-21diskmemload22:59:010
231916099221,20cyclictest2442400-21diskmemload00:03:350
231916099221,20cyclictest0-21swapper/022:05:130
231916099221,20cyclictest0-21swapper/019:50:130
231916099221,20cyclictest0-21swapper/019:50:120
231916099221,1cyclictest2481137-21apt-get21:40:100
231916099221,1cyclictest2448980-21apt-get21:15:130
231916099220,3cyclictest2693873-21ssh00:26:080
231916099220,3cyclictest2381363-21ps20:10:190
231916099220,2cyclictest2442400-21diskmemload23:57:520
231916099220,21cyclictest2391958-21ps20:20:180
231916099220,20cyclictest2582031-21ssh23:00:070
2319167992119,2cyclictest64-21kcompactd019:49:313
2319167992119,1cyclictest64-21kcompactd021:09:373
2319167992119,1cyclictest0-21swapper/322:33:423
2319167992118,2cyclictest0-21swapper/300:00:123
231916799211,19cyclictest0-21swapper/319:40:553
231916799210,2cyclictest2664130-21fschecks_count00:05:183
231916799210,2cyclictest0-21swapper/323:16:533
231916799210,20cyclictest2693205-21ld00:25:243
231916799210,19cyclictest0-21swapper/322:35:083
231916799210,19cyclictest0-21swapper/319:50:123
231916799210,19cyclictest0-21swapper/319:50:123
2319165992119,1cyclictest2562790-21apt-get22:45:122
231916599210,20cyclictest0-21swapper/220:45:142
231916599210,1cyclictest0-21swapper/200:30:122
2319162992119,1cyclictest0-21swapper/122:55:341
2319162992119,1cyclictest0-21swapper/119:10:161
2319162992119,1cyclictest0-21swapper/100:22:191
2319162992118,2cyclictest2497620-21ntpq21:50:211
2319162992118,2cyclictest0-21swapper/120:10:161
2319162992117,2cyclictest2626165-21ssh23:35:131
2319162992117,2cyclictest2344575-21munin-run19:35:001
2319162992116,3cyclictest2432237-21idleruntime-cro21:00:001
231916299211,1cyclictest0-21swapper/122:50:121
231916299210,2cyclictest0-21swapper/120:40:131
231916299210,2cyclictest0-21swapper/120:05:141
231916299210,2cyclictest0-21swapper/119:50:131
231916299210,2cyclictest0-21swapper/119:50:121
231916299210,2cyclictest0-21swapper/119:15:141
231916299210,20cyclictest2442400-21diskmemload22:36:461
231916299210,20cyclictest0-21swapper/121:12:221
231916299210,1cyclictest0-21swapper/122:40:131
231916299210,19cyclictest0-21swapper/119:55:121
2319160992119,1cyclictest0-21swapper/023:35:130
2319160992119,1cyclictest0-21swapper/019:20:200
2319160992118,2cyclictest2426454-21/usr/sbin/munin20:50:270
2319160992118,2cyclictest0-21swapper/023:25:130
2319160992118,2cyclictest0-21swapper/021:25:530
2319160992118,2cyclictest0-21swapper/021:05:130
2319160992118,1cyclictest0-21swapper/022:15:100
2319160992118,1cyclictest0-21swapper/022:15:100
2319160992117,3cyclictest245621450irq/127-enp0s29f1:rx-000:13:310
2319160992117,2cyclictest2427932-21ps20:55:190
231916099211,1cyclictest2442400-21diskmemload22:01:150
231916099211,1cyclictest0-21swapper/019:28:330
231916099211,19cyclictest0-21swapper/021:52:390
231916099210,3cyclictest2706336-21ssh00:35:280
231916099210,20cyclictest2319376-21apt-get19:10:120
231916099210,20cyclictest0-21swapper/023:20:360
231916099210,20cyclictest0-21swapper/019:36:360
231916099210,1cyclictest2643980-21ssh23:47:420
231916099210,1cyclictest2442400-21diskmemload21:30:570
231916099210,1cyclictest0-21swapper/022:45:370
231916099210,1cyclictest0-21swapper/020:40:130
231916799200,1cyclictest0-21swapper/319:15:143
231916799200,19cyclictest0-21swapper/320:35:453
2319165992018,1cyclictest2411144-21gpgv20:40:012
2319165992018,1cyclictest0-21swapper/220:02:252
2319165992017,2cyclictest0-21swapper/219:20:282
2319162992018,1cyclictest0-21swapper/120:27:091
2319162992018,1cyclictest0-21swapper/119:40:111
231916299200,1cyclictest64-21kcompactd020:30:531
231916299200,1cyclictest0-21swapper/120:45:131
231916299200,1cyclictest0-21swapper/120:35:111
231916099200,2cyclictest64-21kcompactd021:02:050
231916099200,1cyclictest0-21swapper/020:07:150
2319167991917,1cyclictest0-21swapper/320:34:403
2319167991916,2cyclictest2421949-21sed20:50:013
231916799190,1cyclictest0-21swapper/321:00:133
2319165991917,1cyclictest0-21swapper/220:57:152
2319165991916,2cyclictest0-21swapper/220:15:172
2319167991815,1cyclictest686-21snmpd20:15:163
2319165991815,1cyclictest0-21swapper/220:05:062
2319167991715,1cyclictest0-21swapper/319:37:093
231916799170,2cyclictest2339475-21cron19:30:003
2319162991710,5cyclictest2442388-21cron21:10:011
2319165991614,1cyclictest0-21swapper/219:35:002
2319160991614,1cyclictest0-21swapper/019:34:280
2319160991613,2cyclictest245621450irq/127-enp0s29f1:rx-019:17:410
2319160991613,2cyclictest0-21swapper/020:40:000
2319162991512,2cyclictest2422716-21cut20:50:181
2319167991412,1cyclictest0-21swapper/319:34:593
2319160991410,3cyclictest245621450irq/127-enp0s29f1:rx-020:45:150
2319165991311,1cyclictest2319376-21apt-get19:10:122
2319165991310,2cyclictest2391378-21cut20:20:162
2319162991310,2cyclictest0-21swapper/119:45:161
231916799106,3cyclictest2323900-21sshd19:11:363
231916799100,3cyclictest2319087-21latency_hist19:10:013
23191629997,1cyclictest1017225-21kworker/1:1+events_power_efficient19:09:591
23191609981,5cyclictest2319163-21latency_hist19:09:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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